Indent tool cards under an active delegating task span.

surfsense_web/lib/chat/delegation-span-indent.ts

@@ -0,0 +1,19 @@
+/**
+ * Indent tool-call cards that belong to an open delegating ``task`` episode.
+ *
+ * The backend only stamps ``metadata.spanId`` on tool SSE / persisted parts
+ * while a ``task`` is active (see ``AgentEventRelayState.tool_activity_metadata``),
+ * so its presence is sufficient. The opening ``task`` row itself carries the
+ * same span id but stays flush — it is the header of the delegation.
+ */
+
+export function shouldIndentToolCallForDelegationSpan(
+	toolName: string,
+	metadata: Record<string, unknown> | undefined
+): boolean {
+	if (toolName === "task") return false;
+	const v = metadata?.spanId;
+	return typeof v === "string" && v.trim().length > 0;
+}
+
+export const DELEGATION_SPAN_INDENT_CLASS = "pl-3 sm:ml-4";